Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508716 | Plural line liquid crystal addressing method and apparatus | Dennis W. Prince, Benjamin R. Clifton, Arlie R. Conner | 1996-04-16 |
| 5485173 | LCD addressing system and method | Benjamin R. Clifton | 1996-01-16 |
| 5473338 | Addressing method and system having minimal crosstalk effects | Dennis W. Prince, John Grosspietsch, Benjamin R. Clifton | 1995-12-05 |
| 5459495 | Gray level addressing for LCDs | Arlie R. Conner, Benjamin R. Clifton | 1995-10-17 |
| 5420604 | LCD addressing system | Benjamin R. Clifton | 1995-05-30 |
| 5367390 | Contrast improvement for display panels with masks between electrodes and covering split between electrode portions | Kurt R. Munson, Arlie R. Conner | 1994-11-22 |
| 4705359 | Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby | Hermann Amstutz, Meinolph Kaufmann, Jurgen Nehring | 1987-11-10 |
| 4697884 | Liquid crystal display having degree of twist and thickness for improved multiplexing | Hermann Amstutz, Dieter Heimgartner, Meinolph Kaufman | 1987-10-06 |
| 4634229 | Liquid crystal display | Hermann Amstutz, Dieter Heimgartner, Meinolph Kaufmann | 1987-01-06 |
| 4608558 | Addressing method for a multiplexable, bistable liquid crystal display | Hermann Amstutz, Meinolph Kaufmann | 1986-08-26 |
| 4299720 | Liquid crystal mixture | Maged A. Osman, Laszlo Revesz, Jurgen Markert | 1981-11-10 |
| 4252417 | Liquid crystal display | Hans-Rudolf Zeller | 1981-02-24 |
| 4241344 | Electro-optical device for the display of dark symbols composed of separately selectable display segments against a bright background and a means for addressing this device | Allan R. Kmetz, Klaus Müller | 1980-12-23 |
| 4239349 | Arrangement for a polychrome display | — | 1980-12-16 |
| 4218281 | Manufacturing process for an electrooptic display device | Rino Doriguzzi, Markus Egloff, Meinolph Kaufmann | 1980-08-19 |
| 4217035 | Liquid crystal display | Rino Doriguzzi, Markus Egloff, Meinolph Kaufmann | 1980-08-12 |